Bajo de Arenal, Mexico offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Bajo de Arenal is known for its proximity to the stunning Hierve el Agua rock formations and petrified waterfalls. The best time to travel to Bajo de Arenal, Mexico, is from November to April, with average air temperatures around 75°F (24°C) and water temperatures near 80°F (27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!